diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2018-12-23 16:02:47 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2019-02-28 03:29:27 -0500 |
| commit | 0b52075ee62301dd150c9f2c3ddd0035ed894cde (patch) | |
| tree | bb5b54d2fee0e0e37f73635030dc0e25e93c9aa5 /include/linux/lsm_hooks.h | |
| parent | cb50b348c71ffa90d7d1b2a494b553b5099bc090 (diff) | |
| download | linux-next-0b52075ee62301dd150c9f2c3ddd0035ed894cde.tar.gz | |
introduce cloning of fs_context
new primitive: vfs_dup_fs_context(). Comes with fs_context
method (->dup()) for copying the filesystem-specific parts
of fs_context, along with LSM one (->fs_context_dup()) for
doing the same to LSM parts.
[needs better commit message, and change of Author:, anyway]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/lsm_hooks.h')
| -rw-r--r-- | include/linux/lsm_hooks.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 47ba4db4d8fb..356e78fe90a8 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -79,6 +79,11 @@ * Security hooks for mount using fs_context. * [See also Documentation/filesystems/mounting.txt] * + * @fs_context_dup: + * Allocate and attach a security structure to sc->security. This pointer + * is initialised to NULL by the caller. + * @fc indicates the new filesystem context. + * @src_fc indicates the original filesystem context. * @fs_context_parse_param: * Userspace provided a parameter to configure a superblock. The LSM may * reject it with an error and may use it for itself, in which case it @@ -1470,6 +1475,7 @@ union security_list_options { void (*bprm_committing_creds)(struct linux_binprm *bprm); void (*bprm_committed_creds)(struct linux_binprm *bprm); + int (*fs_context_dup)(struct fs_context *fc, struct fs_context *src_sc); int (*fs_context_parse_param)(struct fs_context *fc, struct fs_parameter *param); int (*sb_alloc_security)(struct super_block *sb); @@ -1813,6 +1819,7 @@ struct security_hook_heads { struct hlist_head bprm_check_security; struct hlist_head bprm_committing_creds; struct hlist_head bprm_committed_creds; + struct hlist_head fs_context_dup; struct hlist_head fs_context_parse_param; struct hlist_head sb_alloc_security; struct hlist_head sb_free_security; |